[PATCH 0/1] MR3783: user32/tests: Register test_hvredraw class in temp desktop.

[Esme Povirk (＠madewokherd)]

Windows v1709 has a bug that breaks GetClassLong on a
different desktop from where the class was registered.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55539